Abraham Koch
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- 1 Abraham Koch [1]
- Emma Weichel b. Abt 1856 d. 30 Apr 1933
- 2 Emelia Koch [1.1] b. 1885 d. 1959
- Robert Bruce Chisholm b. 19 Jul 1885 d. 1955
- 3 Ruth E Chisholm [1.1.1]
- 3 Jeanne M Chisholm [1.1.2]
- 3 Ruth E Chisholm [1.1.1]
- 2 Emelia Koch [1.1]